If you missed the recent excitement surrounding the Windows 7 Whopper, let us introduce you to the highest calorie promotional campaign ever to hit your stomach: a seven patty stack of heart attack. We're not kidding. Totalling a massive 2,120 calories, this burger is aiming for Godzilla levels of destruction on your arteries. Sadly, like so many things geeky, awesome and terrifying, this baby is only available in Japan.